Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 27

EASY

NEET

IMPORTANT

Earn 100

If $9 g$ of $H_{2} O$ is electrolysed completely with $50 %$ current efficiency

50% studentsanswered this correctly

Important Questions on Electrochemistry

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 28

If the density of copper is

8.94 g / {cm}^{3}

, the number of Faradays required to plate an area

(10 cm \times 10 cm)

of thickness of

10^{- 2} cm

using

{CuSO}_{4}

solution as electrolyte is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 29

An electrolytic cell is composed of

Cu

and

Zn

. A current of

9.65 A

is drawn from a cell for

1

hour. Then the loss in mass at anode and gain in mass at cathode. respectively could be

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 30

Volume of gases evolved when dil.

H_{2} {SO}_{4}

is electrolysed using

2 F

at STP

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 31

2.5

faraday of electricity is passes through a solution of

{CuSO}_{4}

. The number of gram equivalents of copper deposited on the cathode will be

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 32

If equal quantities of electricity are passed through three voltameter containing

{FeSO}_{4}, {Fe}_{2} {({SO}_{4})}_{3}

and

Fe {({NO}_{3})}_{3}

, then which of the following is not true?

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 33

Which of the following statement is incorrect?

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 34

When dil.

{HNO}_{3}

is electrolysed

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 35

During electrolysis of aqueous solution of a salt

pH

in the space near one of the electrodes is increased. Which of the following salt solution was electrolysed?